alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Progress Kemp LoadMaster RCE Attempt Inbound (CVE-2024-1212)"; flow:established,to_server; http.header; content:"Authorization|3a 20|Basic|20|"; fast_pattern; base64_decode:offset 0,relative; base64_data; content:"|27 3b|"; reference:cve,2024-1212; classtype:bad-unknown; sid:2057720; rev:1; metadata:attack_target Server, created_at 2024_11_19, cve CVE_2024_1212, deployment Perimeter, deployment Internal, performance_impact Significant, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2024_11_19, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)